OCTOBER, 1913 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J. McKEEN CATTELL 



CONTENTS 



Immigration and The Public Health. Dr. Alfred C. Reed . . . 313 



An Irish Channel Railway. Henby Gbattan TyrelL' .... 339 



Scientific Standards for the Govermental Regulation of Foods. Db. John 

 R. Muslin 344 



A Problem in Educational Eugenics. Professor Chas. W. Habgitt . 355 



The Psychological Factor in Southern Race Problems. Dr. James 



Babdin 368 



Women in Industry. D. R. Malcolm Keib 375 



The Fourth Dimension. Professor Samuel M. Barton . . . . 381 

 Some Psychological Problems emphasized by Pragmatism. Professor 



Josiah Royce 394 



The Progress of Science : 



The Presidential Address before the British Association ; Professor Erhlich and 

 Chemiotherapy ; Soientifio Items . . . . . . . .413 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. T. 



NEW YORK: Stjb-Statioh 84 

 ■onus Nukbeb, 30 Cents Yxably Subscetption, $3.00 



Coftkight, 1911, BY THE SCIENCE PRES3 



